Category Archives: electrostatic motor

Better Motion Through Electrostatic Actuators

If you want something to move with electricity, odds are you’ll be using magnets. Deep inside every servo, every motor, and every linear actuator is a magnet and some coils of wire. There is another way of making things move, though: electrostatics. These are usually seen in tiny MEMS devices, and now we have tiny little electrostatic speakers making their way into phones and other miniature devices.

For [Nathann]’s Hackaday Prize entry, he’s building electrostatic actuators on the cheap, and not just tiny ones, either. He’s building ‘human’ scale electrostatic devices.

The reason electrostatic devices are usually very small is …read more

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